GB2341005B - Key switch for a keyboard - Google Patents

Key switch for a keyboard

Info

Publication number
GB2341005B
GB2341005B GB9818867A GB9818867A GB2341005B GB 2341005 B GB2341005 B GB 2341005B GB 9818867 A GB9818867 A GB 9818867A GB 9818867 A GB9818867 A GB 9818867A GB 2341005 B GB2341005 B GB 2341005B
Authority
GB
United Kingdom
Prior art keywords
keyboard
key switch
key
switch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB9818867A
Other versions
GB9818867D0 (en
GB2341005A (en
Inventor
Gear Huang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Silitek Corp
Original Assignee
Silitek Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to CA002242959A priority Critical patent/CA2242959C/en
Application filed by Silitek Corp filed Critical Silitek Corp
Priority to GB9818867A priority patent/GB2341005B/en
Priority to FR9811030A priority patent/FR2783086B3/en
Publication of GB9818867D0 publication Critical patent/GB9818867D0/en
Publication of GB2341005A publication Critical patent/GB2341005A/en
Application granted granted Critical
Publication of GB2341005B publication Critical patent/GB2341005B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
    • H01H13/705—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2215/00—Tactile feedback
    • H01H2215/03—Sound
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/024—Transmission element
    • H01H2221/026—Guiding or lubricating nylon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2235/00—Springs
    • H01H2235/002—Linear coil spring combined with dome spring
GB9818867A 1998-08-25 1998-08-28 Key switch for a keyboard Expired - Fee Related GB2341005B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CA002242959A CA2242959C (en) 1998-08-25 1998-08-25 Key switch for a keyboard
GB9818867A GB2341005B (en) 1998-08-25 1998-08-28 Key switch for a keyboard
FR9811030A FR2783086B3 (en) 1998-08-25 1998-09-03 KEY SWITCH FOR KEYBOARD

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CA002242959A CA2242959C (en) 1998-08-25 1998-08-25 Key switch for a keyboard
GB9818867A GB2341005B (en) 1998-08-25 1998-08-28 Key switch for a keyboard
FR9811030A FR2783086B3 (en) 1998-08-25 1998-09-03 KEY SWITCH FOR KEYBOARD

Publications (3)

Publication Number Publication Date
GB9818867D0 GB9818867D0 (en) 1998-10-21
GB2341005A GB2341005A (en) 2000-03-01
GB2341005B true GB2341005B (en) 2002-12-11

Family

ID=33032756

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9818867A Expired - Fee Related GB2341005B (en) 1998-08-25 1998-08-28 Key switch for a keyboard

Country Status (3)

Country Link
CA (1) CA2242959C (en)
FR (1) FR2783086B3 (en)
GB (1) GB2341005B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108305804A (en) * 2017-01-13 2018-07-20 光宝电子(广州)有限公司 Mechanical switch structure

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2463341B (en) * 2009-06-04 2011-09-14 Cheng Uei Prec Ind Co Ltd Key switch
CN111180240B (en) * 2018-11-09 2022-01-21 光宝电子(广州)有限公司 Key structure and keyboard
CN114496628A (en) * 2022-01-14 2022-05-13 深圳市优曼互联网企业 Self-protection intelligent keyboard capable of avoiding long-time press-touch of keys

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0104956A2 (en) * 1982-09-28 1984-04-04 Ing. C. Olivetti & C., S.p.A. Keyboard
US5442152A (en) * 1994-09-28 1995-08-15 Focus Electronic Co., Ltd. Computer key switch

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0104956A2 (en) * 1982-09-28 1984-04-04 Ing. C. Olivetti & C., S.p.A. Keyboard
US5442152A (en) * 1994-09-28 1995-08-15 Focus Electronic Co., Ltd. Computer key switch

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108305804A (en) * 2017-01-13 2018-07-20 光宝电子(广州)有限公司 Mechanical switch structure
CN108305804B (en) * 2017-01-13 2019-08-16 光宝电子(广州)有限公司 Mechanical switch structure

Also Published As

Publication number Publication date
CA2242959C (en) 2002-07-09
GB9818867D0 (en) 1998-10-21
FR2783086A3 (en) 2000-03-10
CA2242959A1 (en) 2000-02-25
GB2341005A (en) 2000-03-01
FR2783086B3 (en) 2000-08-11

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20111027 AND 20111102

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20120828